Home / 25,360.63-38,040.95-19,805.65

Finding the Fourth Proportional to 25,360.63, 38,040.95 and 19,805.65

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Solution

The fourth proportional to 25,360.63, 38,040.95 and 19,805.65 is: 29,708.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,360.63 : 38,040.95 = 19,805.65 : x
  2. Step 2: Convert to fraction form
    25,360.63/38,040.95 = 19,805.65/x
  3. Step 3: Cross multiply
    25,360.63x = 38,040.95 × 19,805.65
  4. Step 4: Simplify right side
    25,360.63x = 753,425,741.37
  5. Step 5: Solve for x
    x = 753,425,741.37/25,360.63
  6. Step 6: Final answer
    x = 29,708.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.